Driver's side A/C not cooling

lskipper · Jun 17, 2009

Hello to all:
I have an 04 Denali with auotmatic climate control. I was driving with the AC on and for no reason the cold air started blowing hot. THe passenger side was still blowing cold air. The temp was turned down to 60, so it should be blowing cold air as well. Has anyone experienced this problem before?

Thanks

GeTCrAzYKiD · Apr 5, 2010

Anyone have any ideas on this? sorry if its a ressurection on a topic, but I disconnected my batery and this happened to me.

zdude · Apr 8, 2010

It's most likely either the blend door actuator, or the control module which send the position signal to it.

Search and you will find a few threads discussing it in greater detail. Seems common on models about that old. Sometimes it the drivers side, sometimes the passenger side, sometimes the rear. There's also an actuator that controls the flow to vent versus floor, and it's usually an identical actuator used there as well.

Driver's side A/C not cooling

lskipper

TYF Newbie

GeTCrAzYKiD

TYF Newbie

zdude

TYF Newbie

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